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As Muller and his German teammates sang the national anthem at Wembley, he gave a cheeky wink to the camera when it panned towards him.
But the image of Muller that everyone will remember from the contest is the one with his head in his hands, in utter disbelief after missing an absolute sitter in the second half.
Almost straight after opening the scoring with his third goal of the tournament, Raheem Sterling gifted Muller a golden chance with some sluggish play in midfield.
But inexplicably, Muller's finish was poor and he put the ball wide in what was an incredible let-off for Sterling and England.
Muller, who struck twice in Germany's 4-1 World Cup rout over England in South Africa in 2010, fell to the turf and put his hands on his head.
He passed up a glorious opportunity to level matters and having been subbed off late on, is still waiting for a first European Championship goal after 15 appearances.
Muller was made to rue the miss when Harry Kane doubled England's lead with his first goal of Euro 2020, with the memorable 2-0 win setting up a quarter-final date with Ukraine or Sweden in Rome on Saturday.